Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/javanano/src/test/java/com/google/protobuf/nano/unittest_extension_repeated_nano.proto

Index: third_party/protobuf/javanano/src/test/java/com/google/protobuf/nano/unittest_extension_repeated_nano.proto
diff --git a/third_party/protobuf/javanano/src/test/java/com/google/protobuf/nano/unittest_extension_repeated_nano.proto b/third_party/protobuf/javanano/src/test/java/com/google/protobuf/nano/unittest_extension_repeated_nano.proto
deleted file mode 100644
index e533c65b43c020f9a3dd4c19e4f18984a497d395..0000000000000000000000000000000000000000
--- a/third_party/protobuf/javanano/src/test/java/com/google/protobuf/nano/unittest_extension_repeated_nano.proto
+++ /dev/null
@@ -1,34 +0,0 @@
-syntax = "proto2";
-
-option java_multiple_files = true;
-option java_package = "com.google.protobuf";
-
-import "google/protobuf/nano/unittest_extension_nano.proto";
-
-// Must be compiled separately due to extension number reuse.
-// The reuse is deliberate, for testing wire compatibility.
-
-message RepeatedExtensions {
-  extend ExtendableMessage {
-    repeated int32          repeated_int32    = 10;
-    repeated uint32         repeated_uint32   = 11;
-    repeated sint32         repeated_sint32   = 12;
-    repeated int64          repeated_int64    = 13;
-    repeated uint64         repeated_uint64   = 14;
-    repeated sint64         repeated_sint64   = 15;
-    repeated fixed32        repeated_fixed32  = 16;
-    repeated sfixed32       repeated_sfixed32 = 17;
-    repeated fixed64        repeated_fixed64  = 18;
-    repeated sfixed64       repeated_sfixed64 = 19;
-    repeated bool           repeated_bool     = 20;
-    repeated float          repeated_float    = 21;
-    repeated double         repeated_double   = 22;
-    repeated AnEnum         repeated_enum     = 23;
-    repeated string         repeated_string   = 24;
-    repeated bytes          repeated_bytes    = 25;
-    repeated AnotherMessage repeated_message  = 26;
-    repeated group          RepeatedGroup     = 27 {
-      optional int32 a = 1;
-    }
-  }
-}